# 22206072 Junction Box | Genuine Volvo Penta Part

## 🔧 Product Description

Sealed electrical junction box at schematic key 24 in the D8A1-A MP cables-and-fuses system. It houses and protects power-distribution, relay, diode or connection components for the engine-control installation.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D8A5-A MH
-   Volvo Penta D8A6-A MH
-   Volvo Penta D8A5-A MG
-   Volvo Penta D8A6-A MG
-   Volvo Penta D8A1-A MP
-   Volvo Penta D8A2-A MP
-   Volvo Penta D8A3-A MP
-   Volvo Penta D8A4-A MP

-   **Engine Family:** D

## ⚙️ Key Features

-   Sealed marine electrical enclosure
-   Provides organised power and signal distribution
-   Supports fuses, relays, diodes or terminal connections
-   Protects circuits from moisture and vibration
-   Box, internal hardware and harness generation must match
-   2 used per assembly

## 🔌 Function

Protects and distributes electrical power and control circuits between the engine harness, control unit and vessel supply.

## ⚠️ Common Signs of Failure

-   Water ingress or corrosion inside the box
-   Blown fuses or overheated terminals
-   Intermittent power loss or engine shutdown
-   Loose relays, diodes or connectors
-   Cracked cover, failed seal or damaged cable glands

## 🛠️ Service Notes

-   Isolate the batteries before opening a junction box, and photograph or label the connections before disturbing anything
-   Mount it where it stays dry and reachable, the right way up, so the lid can still be removed and any water that does get in can drain
-   Bring cables in through the glands or grommets provided, from below where possible, and leave a drip loop so water runs away from the box
-   Make the connections clean and tight on the correct terminals, support the cables so nothing hangs on them, and refit the lid with its seal properly seated
-   Check the circuits work, and that any fuse ratings match the original, before returning the engine to service

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   22829567 - main wiring harness
-   22572582 - control unit
-   3586269 - software references
-   3586268 - software references
-   21918597 - related control unit
-   20769509 - switch
-   873952 - fuse
-   21426987 - speed monitor
-   22829572 - power cable
-   22929188 - diode unit
-   22471702 - retainer

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 397.73 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 397.73 AUD | In stock |

## Images

- 22206072 Junction Box | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/22206072-junction-box-genuine-volvo-penta)
> Updated: 2026-08-22